7131215

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2239}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 10725120

約数和(自身を除く): 3593905

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 2239, 3185, 11195, 15673, 29107, 78365, 109711, 145535, 203749, 548555, 1018745, 1426243, 7131215]

約数ペア:

[(1, 7131215), (5, 1426243), (7, 1018745), (13, 548555), (35, 203749), (49, 145535), (65, 109711), (91, 78365), (245, 29107), (455, 15673), (637, 11195), (2239, 3185)]